Go Fast Bits 3 Pc Lightweight Pulley Kit Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 vendor_HKS They are a common upgrade

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Go Fast Bits 3 Pc Lightweight Pulley Kit Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 vendor_HKS They are a common upgradeLike all GFB lightweight pulleys, this Go Fast Bits 3 Pc Lightweight Pulley Kit for your Scion FR S Subaru BRZ begins life as a single 6061 T6 aluminium alloy billet, and is then precision CNC machined to exacting tolerances. GFB then anodizes it black for a stealthy appearance and superior wear resistance. Part #: 2016 This results in a large saving of 4. 87 lbs. of rotating mass over the factory pulleys, without sacrificing strength or reliability.